What this means
The IEEE assigned the MA-L block 0018B3 to TEC WizHome Co., Ltd.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:18:B3, it is TEC WizHome Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 0018B3?
0018B3 is registered to TEC WizHome Co., Ltd. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. TEC WizHome Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 0018B3?
Any network device with a MAC address starting 00:18:B3 was manufactured by or for TEC WizHome Co., Ltd..